diff --git a/.gitignore b/.gitignore
index c65c76f..687d98d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,5 @@ build
 filteredReads.txt
 reversedSequence.txt
 vsxmake*
-*.txt
\ No newline at end of file
+*.txt
+!CMakeLists.txt
\ No newline at end of file
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..735dbd1
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "pybind11"]
+	path = pybind11
+	url = https://git.zziyu.cn/Zengtudor/pybind11.git